feat(customer): admin CRUD endpoints (#6232)

**What**

- GET /customers/:id
- POST /customers/:id
- DELETE /customers/:id
- POST /customers

Including workflows for each.

packages/medusa/src/api-v2/admin/customers/[id]/route.ts

@@ -0,0 +1,60 @@
+import {
+  updateCustomersWorkflow,
+  deleteCustomersWorkflow,
+} from "@medusajs/core-flows"
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+import {
+  CustomerUpdatableFields,
+  ICustomerModuleService,
+} from "@medusajs/types"
+import { MedusaRequest, MedusaResponse } from "../../../../types/routing"
+
+export const GET = async (req: MedusaRequest, res: MedusaResponse) => {
+  const customerModuleService = req.scope.resolve<ICustomerModuleService>(
+    ModuleRegistrationName.CUSTOMER
+  )
+
+  const customer = await customerModuleService.retrieve(req.params.id, {
+    select: req.retrieveConfig.select,
+    relations: req.retrieveConfig.relations,
+  })
+
+  res.status(200).json({ customer })
+}
+
+export const POST = async (req: MedusaRequest, res: MedusaResponse) => {
+  const updateCustomers = updateCustomersWorkflow(req.scope)
+  const { result, errors } = await updateCustomers.run({
+    input: {
+      selector: { id: req.params.id },
+      update: req.validatedBody as CustomerUpdatableFields,
+    },
+    throwOnError: false,
+  })
+
+  if (Array.isArray(errors) && errors[0]) {
+    throw errors[0].error
+  }
+
+  res.status(200).json({ customer: result[0] })
+}
+
+export const DELETE = async (req: MedusaRequest, res: MedusaResponse) => {
+  const id = req.params.id
+  const deleteCustomers = deleteCustomersWorkflow(req.scope)
+
+  const { errors } = await deleteCustomers.run({
+    input: { ids: [id] },
+    throwOnError: false,
+  })
+
+  if (Array.isArray(errors) && errors[0]) {
+    throw errors[0].error
+  }
+
+  res.status(200).json({
+    id,
+    object: "customer",
+    deleted: true,
+  })
+}

packages/medusa/src/api-v2/admin/customers/middlewares.ts

@@ -1,23 +1,14 @@
-import { MedusaV2Flag } from "@medusajs/utils"
-
-import {
-  isFeatureFlagEnabled,
-  transformBody,
-  transformQuery,
-} from "../../../api/middlewares"
+import { transformBody, transformQuery } from "../../../api/middlewares"
 import { MiddlewareRoute } from "../../../loaders/helpers/routing/types"
 import * as QueryConfig from "./query-config"
 import {
   AdminGetCustomersParams,
   AdminGetCustomersCustomerParams,
+  AdminPostCustomersReq,
   AdminPostCustomersCustomerReq,
 } from "./validators"
 
 export const adminCustomerRoutesMiddlewares: MiddlewareRoute[] = [
-  {
-    matcher: "/admin/customers*",
-    middlewares: [isFeatureFlagEnabled(MedusaV2Flag.key)],
-  },
   {
     method: ["GET"],
     matcher: "/admin/customers",
@@ -28,6 +19,11 @@ export const adminCustomerRoutesMiddlewares: MiddlewareRoute[] = [
       ),
     ],
   },
+  {
+    method: ["POST"],
+    matcher: "/admin/customers",
+    middlewares: [transformBody(AdminPostCustomersReq)],
+  },
   {
     method: ["GET"],
     matcher: "/admin/customers/:id",

packages/medusa/src/api-v2/admin/customers/route.ts

@@ -1,5 +1,6 @@
+import { createCustomersWorkflow } from "@medusajs/core-flows"
 import { ModuleRegistrationName } from "@medusajs/modules-sdk"
-import { ICustomerModuleService } from "@medusajs/types"
+import { CreateCustomerDTO, ICustomerModuleService } from "@medusajs/types"
 import { MedusaRequest, MedusaResponse } from "../../../types/routing"
 
 export const GET = async (req: MedusaRequest, res: MedusaResponse) => {
@@ -39,3 +40,24 @@ export const GET = async (req: MedusaRequest, res: MedusaResponse) => {
     limit,
   })
 }
+
+export const POST = async (req: MedusaRequest, res: MedusaResponse) => {
+  const createCustomers = createCustomersWorkflow(req.scope)
+  const customersData = [
+    {
+      ...(req.validatedBody as CreateCustomerDTO),
+      created_by: req.user!.id,
+    },
+  ]
+
+  const { result, errors } = await createCustomers.run({
+    input: { customersData },
+    throwOnError: false,
+  })
+
+  if (Array.isArray(errors) && errors[0]) {
+    throw errors[0].error
+  }
+
+  res.status(200).json({ customer: result[0] })
+}

packages/medusa/src/api-v2/admin/customers/validators.ts

@@ -121,6 +121,11 @@ export class AdminPostCustomersReq {
   @IsString()
   @IsOptional()
   email?: string
+
+  @IsNotEmpty()
+  @IsString()
+  @IsOptional()
+  phone?: string
 }
 
 export class AdminPostCustomersCustomerReq {
@@ -143,4 +148,9 @@ export class AdminPostCustomersCustomerReq {
   @IsString()
   @IsOptional()
   email?: string
+
+  @IsNotEmpty()
+  @IsString()
+  @IsOptional()
+  phone?: string
 }